English  |  正體中文  |  简体中文  |  Items with full text/Total items : 69561/69561 (100%)
Visitors : 23039139      Online Users : 228
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version

    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/62392

    Title: 星團之形成與演化;Formation and Evolution of Star Clusters
    Authors: 陳文屏
    Contributors: 國立中央大學天文研究所
    Keywords: 物理
    Date: 2012-12-01
    Issue Date: 2014-03-17 11:31:45 (UTC+8)
    Publisher: 行政院國家科學委員會
    Abstract: 研究期間:10101~10112;Most, and likely all, stars form out of collapsing molecular clouds in clustered environments. It has been known that low-mass stars outnumber massive stars, described as the initial mass function (IMF), in stellar systems from small star groups to clusters, to galaxies. The origin of a seemingly universal IMF is still largely unknown. Generally, massive stars are seen to concentrate near the center of a young star cluster, whereas lower-mass stars disperse in a larger volume. This effect of mass segregation is thought due partly to the original structure in the parental cloud and partly to the subsequent gravitational dynamics between member stars. We propose to strengthen the ongoing collaboration between the Taiwanese and Indian groups to conduct a systematic investigation of star clusters. Specifically, we will (1) conduct a search for uncharted star clusters by digital sky survey data such as 2MASS and Pan-STARRS. Low-mass members in known clusters will be identified. The comprehensive sample of Galactic open clusters will be a valuable tool not only for cluster evolution (mass segregation, stellar evaporation), but also for probing the formation and evolution of Galactic disk, (2) study a sample of open clusters in different Galactic environments to derive their IMFs, effect of mass segregation, and in particular, how massive stars influence the molecular clouds and induce the formation of nextgeneration stars.
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[天文研究所] 研究計畫

    Files in This Item:

    File Description SizeFormat

    All items in NCUIR are protected by copyright, with all rights reserved.

    社群 sharing

    ::: Copyright National Central University. | 國立中央大學圖書館版權所有 | 收藏本站 | 設為首頁 | 最佳瀏覽畫面: 1024*768 | 建站日期:8-24-2009 :::
    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback  - 隱私權政策聲明